Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5853841 | Fastener assembly for a high-strength connection to a substructure | Jurgen Castor, Harald Kollmann | 1998-12-29 |
| 5196075 | Method for modifying and thereby improving the corrosion resistance and hardness of workpieces of ferritic steel | Andreas Franziskus, Hans J. Plumer | 1993-03-23 |